From f81612381e18eb07e3b6f43a0972cf1c26247b47 Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Sun, 16 Mar 2014 13:51:24 +0000
Subject: [PATCH] [CMake][cygming] Disable --out-implib from executables.

It doesn't make sense even with --export-all-symbols.

llvm-svn: 204017
---
 llvm/cmake/modules/HandleLLVMOptions.cmake | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index 7e68bfbe96a2..cd9773beb97b 100644
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -399,6 +399,15 @@ if(NOT CYGWIN AND NOT WIN32)
   endif()
 endif()
 
+if(CYGWIN OR MINGW)
+  # Prune --out-implib from executables. It doesn't make sense even
+  # with --export-all-symbols.
+  string(REGEX REPLACE "-Wl,--out-implib,[^ ]+ " " "
+    CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE}")
+  string(REGEX REPLACE "-Wl,--out-implib,[^ ]+ " " "
+    CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE}")
+endif()
+
 if(MSVC)
   # Remove flags here, for exceptions and RTTI.
   # Each target property or source property should be responsible to control